                    &           .&            &            &            &            \\
                    &       count&        mean&          sd&         min&         max\\
Mother Smoked During Pregnancy&      14,050&        0.10&        0.30&        0.00&        1.00\\
Drugs During Pregnancy (Sporadically)&      14,050&        0.01&        0.07&        0.00&        1.00\\
Drugs During Pregnancy (Regularly)&      14,050&        0.00&        0.05&        0.00&        1.00\\
Alcohol During Pregnancy (Sporadically)&      14,050&        0.07&        0.25&        0.00&        1.00\\
Alcohol During Pregnancy (Regularly)&      14,050&        0.00&        0.06&        0.00&        1.00\\
Mother Obese Prior to Pregnancy&      14,050&        0.02&        0.14&        0.00&        1.00\\
Mother Low Weight Prior to Pregnancy&      14,050&        0.07&        0.25&        0.00&        1.00\\
Mother's Education in Years&      14,050&       10.83&        3.59&        0.00&       16.00\\
Percent Twin Births &      14,050&        2.55&       15.76&        0.00&      100.00\\
Mother's Age in Years&      14,050&       27.89&        6.61&       18.00&       49.00\\
a                   &      14,050&        1.00&        0.00&        1.00&        1.00\\
